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55450585525 = 523727595123
BaseRepresentation
bin110011101001000111…
…001100100110110101
312022010110001121022211
4303221013030212311
51402030322214100
641250150253421
74002055125436
oct635107144665
9168113047284
1055450585525
1121575456695
12a8b6357271
1352c907196a
1429805a348d
1516981531ba
hexce91cc9b5

55450585525 has 12 divisors (see below), whose sum is σ = 68777290432. Its totient is φ = 44348491440.

The previous prime is 55450585523. The next prime is 55450585559. The reversal of 55450585525 is 52558505455.

It is not a de Polignac number, because 55450585525 - 21 = 55450585523 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450585523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204387 + ... + 390736.

Almost surely, 255450585525 is an apocalyptic number.

It is an amenable number.

55450585525 is a deficient number, since it is larger than the sum of its proper divisors (13326704907).

55450585525 is a wasteful number, since it uses less digits than its factorization.

55450585525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598860 (or 598855 counting only the distinct ones).

The product of its (nonzero) digits is 5000000, while the sum is 49.

The spelling of 55450585525 in words is "fifty-five billion, four hundred fifty million, five hundred eighty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 3727 18635 93175 595123 2975615 14878075 2218023421 11090117105 55450585525